build(deps): Bump engine.io from 6.4.1 to 6.4.2

Bumps [engine.io](https://github.com/socketio/engine.io) from 6.4.1 to 6.4.2.
- [Release notes](https://github.com/socketio/engine.io/releases)
- [Changelog](https://github.com/socketio/engine.io/blob/main/CHANGELOG.md)
- [Commits](socketio/engine.io@6.4.1...6.4.2)

---
updated-dependencies:
- dependency-name: engine.io
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -59,7 +59,7 @@
     "body-parser": "^1.20.2",
     "cors": "^2.8.5",
     "dompurify": "^2.4.5",
-    "engine.io": "^6.4.1",
+    "engine.io": "^6.4.2",
     "engine.io-client": "^6.4.0",
     "express": "^4.18.2",
     "express-fileupload": "^1.4.0",